Messages in this thread | | | Date | Sat, 17 Aug 2013 20:11:20 -0700 | From | Josh Triplett <> | Subject | Re: [PATCH tip/core/rcu 7/9] nohz_full: Add full-system-idle arguments to API |
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On Sat, Aug 17, 2013 at 06:49:42PM -0700, Paul E. McKenney wrote: > From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> > > This commit adds an isidle and jiffies argument to force_qs_rnp(), > dyntick_save_progress_counter(), and rcu_implicit_dynticks_qs() to enable > RCU's force-quiescent-state process to check for full-system idle. > > Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> > Cc: Frederic Weisbecker <fweisbec@gmail.com> > Cc: Steven Rostedt <rostedt@goodmis.org> > Cc: Lai Jiangshan <laijs@cn.fujitsu.com> > [ paulmck: Use true and false for boolean constants per Lai Jiangshan. ]
One optional comment below; with or without that, Reviewed-by: Josh Triplett <josh@joshtriplett.org>
> kernel/rcutree.c | 23 ++++++++++++++++------- > 1 file changed, 16 insertions(+), 7 deletions(-) > > diff --git a/kernel/rcutree.c b/kernel/rcutree.c > index b0d2cc3..f1a0b05 100644 > --- a/kernel/rcutree.c > +++ b/kernel/rcutree.c > @@ -246,7 +246,9 @@ module_param(jiffies_till_next_fqs, ulong, 0644); > > static void rcu_start_gp_advanced(struct rcu_state *rsp, struct rcu_node *rnp, > struct rcu_data *rdp); > -static void force_qs_rnp(struct rcu_state *rsp, int (*f)(struct rcu_data *)); > +static void force_qs_rnp(struct rcu_state *rsp, > + int (*f)(struct rcu_data *, bool *, unsigned long *), > + bool *isidle, unsigned long *maxj);
You might consider giving the parameters of the function pointer names (both here and in the definition), to make it more self-documenting.
- Josh Triplett
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